PAGE 2.1 - 64 OPERATION MARK IV HD J2 TAMPER
REVISED 10 - 2020 CONTROLS BULLETIN 5082505
2.1
2.1.15 Diesel Fired Arctic Fox Heater Option - See Figure 2.1-48
The diesel fired Arctic Fox Heater Option is used to warm up the hydraulic fluid and engine
coolant during cold weather operation. The system consists of the following components:
(1) Heater Circuit Breaker: Located in the Battery Box next to the Master Disconnect
Switch.
(2) Heater Control Switch: Located in the Left Control Panel of the cab.
(3) Arctic Fox Heater Unit: Located on the right side of the engine.
(4) Engine Coolant Shutoff Valves: Located on the right side of the engine.
(5) Hydraulic Reservoir Hydra-Liner Units: Located on both the left and right sides of
the hydraulic reservoir.
1. Important: See Appendix B - Miscellaneous - Arctic Fox Heater (Hydronic M12) for
Operating Instructions.
2. Make sure the Heater Circuit Breaker (1) located in the Battery Box is turned ON.
3. Make sure both Engine Coolant Shutoff Valves (4) are OPEN (valve handles rotated in-line
with valve bodies) to allow coolant circulation.
4. Press the Heater Control Switch (2) located in the Left Control Panel of the cab to the IN
position to turn ON the Arctic Fox Heater (3).
5. After the engine coolant and hydraulic reservoir fluid are warmed up, press the Heater
Control Switch (2) located in the Left Control Panel of the cab again to the OUT position to
turn OFF the Arctic Fox Heater..
6. When the Arctic Fox Heater Unit (3) is not being used during warm weather, make sure the
Heater Circuit Breaker (1) located in the Battery Box is turned OFF and both Engine
Coolant Shutoff Valves (4) are CLOSED (valve handles rotated perpendicular to valve
bodies) to shut off the coolant circulation.
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